> Of course, the hardest thing is to train oneself to achieve better> determination. Any ideas on that?

One thing which I have found helps is the making of lists of reasons one
is engaged in some large task. When your determination begins to falter,
reading the list reminds you why you got into the task in the first place.
I find this helps a lot.

Michael Nielsen

"I know the answer! The answer lies within the heart of all mankind!
The answer is twelve? I think I'm in the wrong building."
- Charles Schulz